<template>
  <view v-show="goods_info.goods_name" class="goods-detail-container">
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,index) in goods_info.pics" :key="index">
        <image :src="item.pics_big" @click="preview(index)"></image>
      </swiper-item>
    </swiper>
    <!-- 商品信息区域 -->
    <view class="goods-info-box">
      <!-- 商品价格 -->
      <view class="price">￥{{goods_info.goods_price}}</view>
      <!-- 信息主体区域 -->
      <view class="goods-info-body">
        <!-- 商品名称 -->
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yf">快递：免运费</view>
    </view>
      <!-- 商品详情信息 -->
      <rich-text :nodes="goods_info.goods_introduce"></rich-text>

    <view class="goods_nav">
       <!-- fill 控制右侧按钮的样式 -->
        <!-- options 左侧按钮的配置项 -->
        <!-- buttonGroup 右侧按钮的配置项 -->
        <!-- click 左侧按钮的点击事件处理函数 -->
        <!-- buttonClick 右侧按钮的点击事件处理函数 -->
      
      <uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick" @buttonClick="buttonClick"></uni-goods-nav>
    </view>
    
    
  </view>
</template>

<script>
  import {mapState,mapMutations,mapGetters} from 'vuex'
  export default {
    data() {
      return {
        goods_info:{},
        options: [{
              icon: 'shop',
              text: '店铺'
            }, {
              icon: 'cart',
              text: '购物车',
              info: 0
            }],
            // 右侧按钮组的配置对象
            buttonGroup: [{
                text: '加入购物车',
                backgroundColor: '#ff0000',
                color: '#fff'
              },
              {
                text: '立即购买',
                backgroundColor: '#ffa200',
                color: '#fff'
              }
            ]
          }
      },
    computed:{
      ...mapGetters('m_cart',['total']),
         },
    watch:{
           // total(newval){
           //   const findResult = this.options.find(x=>x.text==='购物车')
           //   if(findResult){
           //     findResult.info = newval
           //   }
           // }
           
           total:{
             handler(newval){
               const findResult = this.options.find(x=>x.text==='购物车')
                 if(findResult){
                   findResult.info = newval
                 }
             },
             immediate:true
           }
         },
    onLoad(options) {
      
      this.getGoodsDetail(options.goods_id)
    },
    methods:{
      ...mapMutations('m_cart',['addToCart']),
   
        async getGoodsDetail(goods_id){
          const {data:res} = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
          if(res.meta.status!==200) return uni.$showMsg() 
         res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g, 'jpg')
          this.goods_info = res.message
        },
        preview(index){
          uni.previewImage({
            current:index,
            urls:this.goods_info.pics.map(x=>x.pics_big)
          })
        },
        onClick(e){
          if(e.content.text==='购物车'){
            uni.switchTab({
              url:'/pages/cart/cart'
            })
          }
        },
        buttonClick(e){
         if(e.content.text==='加入购物车'){
           const goods={
             goods_id :this.goods_info.goods_id,
             goods_name:this.goods_info.goods_name,
             goods_price:this.goods_info.goods_price,
             goods_count:1,
             goods_small_logo:this.goods_info.goods_small_logo,
             goods_state:true
           }
           this.addToCart(goods)
         }
        }
      
    }
  }
</script>

<style lang="scss">
swiper {
  height: 750rpx;

  image {
    width: 100%;
    height: 100%;
  }
}
// 商品信息区域的样式
.goods-info-box {
  padding: 10px;
  padding-right: 0;

  .price {
    color: #c00000;
    font-size: 18px;
    margin: 10px 0;
  }

  .goods-info-body {
    display: flex;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
      padding-right: 10px;
    }
    // 收藏区域
    .favi {
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      border-left: 1px solid #efefef;
      color: gray;
    }
  }

  // 运费
  .yf {
    margin: 10px 0;
    font-size: 12px;
    color: gray;
  }
}
.goods-detail-container{
  padding-bottom: 50px;
}
.goods_nav{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
</style>
